RCS3216J431CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J431CS is a 430 Ohm ±5% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction suitable for general industrial and commercial applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental performance characteristics within the 1206 package category.

Key Parameters

Parameter	Value
Resistance	430 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution of the RCS3216J431CS is determined by strict equivalence across the following parameters:

Primary Matching Criteria:

Resistance value: 430 Ohms
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Termination count: 2
RoHS3 compliance
MSL rating: 1 (Unlimited)

Secondary Consideration:

Tolerance: ±5% (primary specification) or ±1% (tighter tolerance acceptable for direct substitution)

All substitute parts listed maintain identical electrical performance within the specified operating conditions and package footprint. Tolerance variations (±5% vs ±1%) represent functional equivalence where tighter tolerance parts provide enhanced precision without circuit redesign requirements.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp (°C)	MSL	RoHS	Product Status
RCS3216J431CS	Samsung Electro-Mechanics	430Ω	±5%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
AC1206JR-07430RL	YAGEO	430Ω	±5%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
AC1206FR-07430RL	YAGEO	430Ω	±1%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
RC1206JR-07430RL	YAGEO	430Ω	±5%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
RC1206FR-07430RL	YAGEO	430Ω	±1%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
CR1206-FX-4300ELF	Bourns Inc.	430Ω	±1%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
CRCW1206430RFKEA	Vishay Dale	430Ω	±1%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Active
ERJ-8ENF4300V	Panasonic Electronic Components	430Ω	±1%	0.25	1206	±100ppm/°C	-55~155	1	ROHS3	Not For New Designs

Engineering Selection Recommendations

Direct Substitutes (Active Status): AC1206JR-07430RL, RC1206JR-07430RL, AC1206FR-07430RL, RC1206FR-07430RL, CR1206-FX-4300ELF, and CRCW1206430RFKEA are all suitable direct replacements for RCS3216J431CS. All substitute parts maintain Active product status, ROHS3 compliance, and MSL 1 rating. Parts with ±1% tolerance (AC1206FR-07430RL, RC1206FR-07430RL, CR1206-FX-4300ELF, CRCW1206430RFKEA) provide enhanced precision and are functionally compatible with circuits designed for ±5% tolerance specifications.

Restricted Substitution: ERJ-8ENF4300V meets all electrical and mechanical specifications but carries "Not For New Designs" product status. This part is suitable only for replacement in existing production runs or legacy system maintenance where continuity with original component sourcing is required.

Compliance Verification: All listed substitutes maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with standard PCB assembly and storage conditions. No additional environmental qualification is required for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can I substitute a ±1% tolerance part for the ±5% RCS3216J431CS? A: Yes. Parts with ±1% tolerance (AC1206FR-07430RL, RC1206FR-07430RL, CR1206-FX-4300ELF, CRCW1206430RFKEA) are direct substitutes. Tighter tolerance provides enhanced precision without requiring circuit redesign. The ±1% specification is a subset of applications requiring ±5% tolerance.

Q: Are all substitute parts available in the same package footprint? A: Yes. All listed substitutes use the 1206 (3216 Metric) package with identical PCB land pattern requirements. Physical dimensions vary within manufacturing tolerances (length 3.10mm to 3.20mm, height 0.60mm to 0.75mm) but remain within standard 1206 footprint specifications.

Q: What is the difference between AC and RC series from YAGEO? A: AC series (AC1206JR-07430RL, AC1206FR-07430RL) includes Automotive AEC-Q200 qualification. RC series (RC1206JR-07430RL, RC1206FR-07430RL) provides standard industrial-grade performance. Both series are electrically and mechanically equivalent for the 430 Ohm 1206 resistor specification.

Q: Why is ERJ-8ENF4300V marked "Not For New Designs"? A: This designation indicates the part is in mature/legacy status. It remains available for existing production support and replacement applications but should not be selected for new circuit designs. Alternative active-status parts are recommended for new development.

Q: Do all substitutes maintain the same moisture resistance characteristics? A: Yes. All listed parts specify moisture-resistant thick film construction with MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions for standard PCB assembly and storage conditions.

Q: Can I mix different manufacturers in the same circuit board? A: Yes. All substitute parts meet identical electrical specifications, temperature performance, and compliance requirements. Mixed-manufacturer sourcing is acceptable from an engineering standpoint, though single-source procurement may be preferred for supply chain consistency.

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